/**
 * Copyright 2008 Matthew Purland (m.purland@gmail.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.variance.version.diff;


/**
 * Interface marker for a class that is able to be differentiable by certain
 * content.
 * 
 * Not all revision capable objects can be differentiable, thus we offer the
 * interface.
 * 
 * @author Matthew Purland
 */
public interface Differentiable<T> {
	
	/**
	 * Get the differentiable data to be used for differentiating.
	 */
	T getDifferentiableData();
}
